netdev - [PATCH net-next 02/16] net: stmmac: loongson1: use PHY_INTF_SEL

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Message-Id: <E1vHNRh-0000000DkS1-0fl2@rmk-PC.armlinux.org.uk>
Date: Fri, 07 Nov 2025 14:28:09 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"David S. Miller" <davem@...emloft.net>,
	Emil Renner Berthing <kernel@...il.dk>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Jerome Brunet <jbrunet@...libre.com>,
	Keguang Zhang <keguang.zhang@...il.com>,
	Kevin Hilman <khilman@...libre.com>,
	linux-amlogic@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-mips@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Minda Chen <minda.chen@...rfivetech.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	netdev@...r.kernel.org,
	Nobuhiro Iwamatsu <nobuhiro.iwamatsu.x90@...l.toshiba>,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH net-next 02/16] net: stmmac: loongson1: use PHY_INTF_SEL_x
 directly

Use the PHY_INTF_SEL_xx values directly in ls1c_dwmac_syscon_init(),
converting them to the PHY_INTF_SELI bitfield when calling
regmap_update_bits().

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c
index 09e2af1d778a..5f9f66fbc191 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c
@@ -38,8 +38,6 @@
 #define GMAC_SHUT		BIT(6)
 
 #define PHY_INTF_SELI		GENMASK(30, 28)
-#define PHY_INTF_MII		FIELD_PREP(PHY_INTF_SELI, PHY_INTF_SEL_GMII_MII)
-#define PHY_INTF_RMII		FIELD_PREP(PHY_INTF_SELI, PHY_INTF_SEL_RMII)
 
 struct ls1x_dwmac {
 	struct plat_stmmacenet_data *plat_dat;
@@ -140,15 +138,14 @@ static int ls1c_dwmac_syscon_init(struct platform_device *pdev, void *priv)
 	struct ls1x_dwmac *dwmac = priv;
 	struct plat_stmmacenet_data *plat = dwmac->plat_dat;
 	struct regmap *regmap = dwmac->regmap;
+	int phy_intf_sel;
 
 	switch (plat->phy_interface) {
 	case PHY_INTERFACE_MODE_MII:
-		regmap_update_bits(regmap, LS1X_SYSCON1, PHY_INTF_SELI,
-				   PHY_INTF_MII);
+		phy_intf_sel = PHY_INTF_SEL_GMII_MII;
 		break;
 	case PHY_INTERFACE_MODE_RMII:
-		regmap_update_bits(regmap, LS1X_SYSCON1, PHY_INTF_SELI,
-				   PHY_INTF_RMII);
+		phy_intf_sel = PHY_INTF_SEL_RMII;
 		break;
 	default:
 		dev_err(&pdev->dev, "Unsupported PHY-mode %u\n",
@@ -156,6 +153,8 @@ static int ls1c_dwmac_syscon_init(struct platform_device *pdev, void *priv)
 		return -EOPNOTSUPP;
 	}
 
+	regmap_update_bits(regmap, LS1X_SYSCON1, PHY_INTF_SELI,
+			   FIELD_PREP(PHY_INTF_SELI, phy_intf_sel));
 	regmap_update_bits(regmap, LS1X_SYSCON0, GMAC0_SHUT, 0);
 
 	return 0;
-- 
2.47.3